Examination of hydrogen damage in steel by positron lifetime method

Weizhong Yu; Jianxi Yao; Yuanjin He; Jiajiong Xiong; Jinzeng Zhang; Jialin Gu; Wanci Shen; Nanping Chen

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Examination of hydrogen damage in steel by positron lifetime method

更新时间：2022-08-16

- Examination of hydrogen damage in steel by positron lifetime method
- Nuclear Techniques Vol. 05, Issue 6, (1982)
- 作者机构：
  
  清华大学
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：1982-12
- 稿件说明：
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Weizhong Yu, Jianxi Yao, Yuanjin He, et al. Examination of hydrogen damage in steel by positron lifetime method[J]. Nuclear techniques, 1982, 05(6): 52-54.
DOI：

Weizhong Yu, Jianxi Yao, Yuanjin He, et al. Examination of hydrogen damage in steel by positron lifetime method[J]. Nuclear techniques, 1982, 05(6): 52-54. DOI：

摘要

氢损伤是目前材料科学中的一个重大课题，一般认为氢会造成氢脆、发裂、白点等缺陷。在氢损伤机制的研究中，搞清固溶氢以什么形态存在及固溶氢是否会导致钢的晶体缺陷是很有意义的。

Abstract

The positron lifetime measurements have been used to detect the microstructure changes in OCr13Ni4Mo and 20MnTiB steel during hydrogen charging. It has been found that hydrogen can exist in the form of H

hydrogen charging leads to the increasing of the dislocation densities

and stress can enhance the increasing strongly. After heating the samples to 200℃

the hydrogen had been expeled from the samples.

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references

P. W. Kao et al ., Phil . Mag. , 39 , 517 （ 1979 ）.

堂山昌男，铁と钢， 61 ， S234 （ 1975 ）.

F. Alex et al . , Effect of Hydrogen on Behavior of Materials , 496 （ 1976 ）.

K. Hinode et al ., J. Phys. Soc. Japan , 45 , 1858 （ 1978 ）.

W. Brandt , Appl. Phys. , 5 , 1 （ 1974 ）.

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